/*
 *
 * Copyright (c) 2013-2021, Alibaba Group Holding Limited;
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

// Generated by the protocol buffer compiler.  DO NOT EDIT!
// source: TxnStream.proto

package com.aliyun.polardbx.binlog.protocol;

/**
 * Protobuf type {@code com.aliyun.polardbx.binlog.protocol.TxnMessage}
 */
public final class TxnMessage extends
    com.google.protobuf.GeneratedMessageV3 implements
    // @@protoc_insertion_point(message_implements:com.aliyun.polardbx.binlog.protocol.TxnMessage)
    TxnMessageOrBuilder {
    private static final long serialVersionUID = 0L;

    // Use TxnMessage.newBuilder() to construct.
    private TxnMessage(com.google.protobuf.GeneratedMessageV3.Builder<?> builder) {
        super(builder);
    }

    private TxnMessage() {
        type_ = 0;
    }

    @java.lang.Override
    @SuppressWarnings({"unused"})
    protected java.lang.Object newInstance(
        UnusedPrivateParameter unused) {
        return new TxnMessage();
    }

    @java.lang.Override
    public final com.google.protobuf.UnknownFieldSet
    getUnknownFields() {
        return this.unknownFields;
    }

    private TxnMessage(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
        this();
        if (extensionRegistry == null) {
            throw new java.lang.NullPointerException();
        }
        com.google.protobuf.UnknownFieldSet.Builder unknownFields =
            com.google.protobuf.UnknownFieldSet.newBuilder();
        try {
            boolean done = false;
            while (!done) {
                int tag = input.readTag();
                switch (tag) {
                case 0:
                    done = true;
                    break;
                case 8: {
                    int rawValue = input.readEnum();

                    type_ = rawValue;
                    break;
                }
                case 18: {
                    com.aliyun.polardbx.binlog.protocol.TxnBegin.Builder subBuilder = null;
                    if (txnBegin_ != null) {
                        subBuilder = txnBegin_.toBuilder();
                    }
                    txnBegin_ =
                        input.readMessage(com.aliyun.polardbx.binlog.protocol.TxnBegin.parser(), extensionRegistry);
                    if (subBuilder != null) {
                        subBuilder.mergeFrom(txnBegin_);
                        txnBegin_ = subBuilder.buildPartial();
                    }

                    break;
                }
                case 26: {
                    com.aliyun.polardbx.binlog.protocol.TxnData.Builder subBuilder = null;
                    if (txnData_ != null) {
                        subBuilder = txnData_.toBuilder();
                    }
                    txnData_ =
                        input.readMessage(com.aliyun.polardbx.binlog.protocol.TxnData.parser(), extensionRegistry);
                    if (subBuilder != null) {
                        subBuilder.mergeFrom(txnData_);
                        txnData_ = subBuilder.buildPartial();
                    }

                    break;
                }
                case 34: {
                    com.aliyun.polardbx.binlog.protocol.TxnEnd.Builder subBuilder = null;
                    if (txnEnd_ != null) {
                        subBuilder = txnEnd_.toBuilder();
                    }
                    txnEnd_ = input.readMessage(com.aliyun.polardbx.binlog.protocol.TxnEnd.parser(), extensionRegistry);
                    if (subBuilder != null) {
                        subBuilder.mergeFrom(txnEnd_);
                        txnEnd_ = subBuilder.buildPartial();
                    }

                    break;
                }
                case 42: {
                    com.aliyun.polardbx.binlog.protocol.TxnTag.Builder subBuilder = null;
                    if (txnTag_ != null) {
                        subBuilder = txnTag_.toBuilder();
                    }
                    txnTag_ = input.readMessage(com.aliyun.polardbx.binlog.protocol.TxnTag.parser(), extensionRegistry);
                    if (subBuilder != null) {
                        subBuilder.mergeFrom(txnTag_);
                        txnTag_ = subBuilder.buildPartial();
                    }

                    break;
                }
                default: {
                    if (!parseUnknownField(
                        input, unknownFields, extensionRegistry, tag)) {
                        done = true;
                    }
                    break;
                }
                }
            }
        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
            throw e.setUnfinishedMessage(this);
        } catch (java.io.IOException e) {
            throw new com.google.protobuf.InvalidProtocolBufferException(
                e).setUnfinishedMessage(this);
        } finally {
            this.unknownFields = unknownFields.build();
            makeExtensionsImmutable();
        }
    }

    public static final com.google.protobuf.Descriptors.Descriptor
    getDescriptor() {
        return com.aliyun.polardbx.binlog.protocol.TxnStream.internal_static_com_aliyun_polardbx_binlog_protocol_TxnMessage_descriptor;
    }

    @java.lang.Override
    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
    internalGetFieldAccessorTable() {
        return com.aliyun.polardbx.binlog.protocol.TxnStream.internal_static_com_aliyun_polardbx_binlog_protocol_TxnMessage_fieldAccessorTable
            .ensureFieldAccessorsInitialized(
                com.aliyun.polardbx.binlog.protocol.TxnMessage.class,
                com.aliyun.polardbx.binlog.protocol.TxnMessage.Builder.class);
    }

    public static final int TYPE_FIELD_NUMBER = 1;
    private int type_;

    /**
     * <code>.com.aliyun.polardbx.binlog.protocol.MessageType type = 1;</code>
     *
     * @return The enum numeric value on the wire for type.
     */
    @java.lang.Override
    public int getTypeValue() {
        return type_;
    }

    /**
     * <code>.com.aliyun.polardbx.binlog.protocol.MessageType type = 1;</code>
     *
     * @return The type.
     */
    @java.lang.Override
    public com.aliyun.polardbx.binlog.protocol.MessageType getType() {
        @SuppressWarnings("deprecation")
        com.aliyun.polardbx.binlog.protocol.MessageType result =
            com.aliyun.polardbx.binlog.protocol.MessageType.valueOf(type_);
        return result == null ? com.aliyun.polardbx.binlog.protocol.MessageType.UNRECOGNIZED : result;
    }

    public static final int TXNBEGIN_FIELD_NUMBER = 2;
    private com.aliyun.polardbx.binlog.protocol.TxnBegin txnBegin_;

    /**
     * <code>.com.aliyun.polardbx.binlog.protocol.TxnBegin txnBegin = 2;</code>
     *
     * @return Whether the txnBegin field is set.
     */
    @java.lang.Override
    public boolean hasTxnBegin() {
        return txnBegin_ != null;
    }

    /**
     * <code>.com.aliyun.polardbx.binlog.protocol.TxnBegin txnBegin = 2;</code>
     *
     * @return The txnBegin.
     */
    @java.lang.Override
    public com.aliyun.polardbx.binlog.protocol.TxnBegin getTxnBegin() {
        return txnBegin_ == null ? com.aliyun.polardbx.binlog.protocol.TxnBegin.getDefaultInstance() : txnBegin_;
    }

    /**
     * <code>.com.aliyun.polardbx.binlog.protocol.TxnBegin txnBegin = 2;</code>
     */
    @java.lang.Override
    public com.aliyun.polardbx.binlog.protocol.TxnBeginOrBuilder getTxnBeginOrBuilder() {
        return getTxnBegin();
    }

    public static final int TXNDATA_FIELD_NUMBER = 3;
    private com.aliyun.polardbx.binlog.protocol.TxnData txnData_;

    /**
     * <code>.com.aliyun.polardbx.binlog.protocol.TxnData txnData = 3;</code>
     *
     * @return Whether the txnData field is set.
     */
    @java.lang.Override
    public boolean hasTxnData() {
        return txnData_ != null;
    }

    /**
     * <code>.com.aliyun.polardbx.binlog.protocol.TxnData txnData = 3;</code>
     *
     * @return The txnData.
     */
    @java.lang.Override
    public com.aliyun.polardbx.binlog.protocol.TxnData getTxnData() {
        return txnData_ == null ? com.aliyun.polardbx.binlog.protocol.TxnData.getDefaultInstance() : txnData_;
    }

    /**
     * <code>.com.aliyun.polardbx.binlog.protocol.TxnData txnData = 3;</code>
     */
    @java.lang.Override
    public com.aliyun.polardbx.binlog.protocol.TxnDataOrBuilder getTxnDataOrBuilder() {
        return getTxnData();
    }

    public static final int TXNEND_FIELD_NUMBER = 4;
    private com.aliyun.polardbx.binlog.protocol.TxnEnd txnEnd_;

    /**
     * <code>.com.aliyun.polardbx.binlog.protocol.TxnEnd txnEnd = 4;</code>
     *
     * @return Whether the txnEnd field is set.
     */
    @java.lang.Override
    public boolean hasTxnEnd() {
        return txnEnd_ != null;
    }

    /**
     * <code>.com.aliyun.polardbx.binlog.protocol.TxnEnd txnEnd = 4;</code>
     *
     * @return The txnEnd.
     */
    @java.lang.Override
    public com.aliyun.polardbx.binlog.protocol.TxnEnd getTxnEnd() {
        return txnEnd_ == null ? com.aliyun.polardbx.binlog.protocol.TxnEnd.getDefaultInstance() : txnEnd_;
    }

    /**
     * <code>.com.aliyun.polardbx.binlog.protocol.TxnEnd txnEnd = 4;</code>
     */
    @java.lang.Override
    public com.aliyun.polardbx.binlog.protocol.TxnEndOrBuilder getTxnEndOrBuilder() {
        return getTxnEnd();
    }

    public static final int TXNTAG_FIELD_NUMBER = 5;
    private com.aliyun.polardbx.binlog.protocol.TxnTag txnTag_;

    /**
     * <code>.com.aliyun.polardbx.binlog.protocol.TxnTag txnTag = 5;</code>
     *
     * @return Whether the txnTag field is set.
     */
    @java.lang.Override
    public boolean hasTxnTag() {
        return txnTag_ != null;
    }

    /**
     * <code>.com.aliyun.polardbx.binlog.protocol.TxnTag txnTag = 5;</code>
     *
     * @return The txnTag.
     */
    @java.lang.Override
    public com.aliyun.polardbx.binlog.protocol.TxnTag getTxnTag() {
        return txnTag_ == null ? com.aliyun.polardbx.binlog.protocol.TxnTag.getDefaultInstance() : txnTag_;
    }

    /**
     * <code>.com.aliyun.polardbx.binlog.protocol.TxnTag txnTag = 5;</code>
     */
    @java.lang.Override
    public com.aliyun.polardbx.binlog.protocol.TxnTagOrBuilder getTxnTagOrBuilder() {
        return getTxnTag();
    }

    private byte memoizedIsInitialized = -1;

    @java.lang.Override
    public final boolean isInitialized() {
        byte isInitialized = memoizedIsInitialized;
        if (isInitialized == 1) {
            return true;
        }
        if (isInitialized == 0) {
            return false;
        }

        memoizedIsInitialized = 1;
        return true;
    }

    @java.lang.Override
    public void writeTo(com.google.protobuf.CodedOutputStream output)
        throws java.io.IOException {
        if (type_ != com.aliyun.polardbx.binlog.protocol.MessageType.WHOLE.getNumber()) {
            output.writeEnum(1, type_);
        }
        if (txnBegin_ != null) {
            output.writeMessage(2, getTxnBegin());
        }
        if (txnData_ != null) {
            output.writeMessage(3, getTxnData());
        }
        if (txnEnd_ != null) {
            output.writeMessage(4, getTxnEnd());
        }
        if (txnTag_ != null) {
            output.writeMessage(5, getTxnTag());
        }
        unknownFields.writeTo(output);
    }

    @java.lang.Override
    public int getSerializedSize() {
        int size = memoizedSize;
        if (size != -1) {
            return size;
        }

        size = 0;
        if (type_ != com.aliyun.polardbx.binlog.protocol.MessageType.WHOLE.getNumber()) {
            size += com.google.protobuf.CodedOutputStream
                .computeEnumSize(1, type_);
        }
        if (txnBegin_ != null) {
            size += com.google.protobuf.CodedOutputStream
                .computeMessageSize(2, getTxnBegin());
        }
        if (txnData_ != null) {
            size += com.google.protobuf.CodedOutputStream
                .computeMessageSize(3, getTxnData());
        }
        if (txnEnd_ != null) {
            size += com.google.protobuf.CodedOutputStream
                .computeMessageSize(4, getTxnEnd());
        }
        if (txnTag_ != null) {
            size += com.google.protobuf.CodedOutputStream
                .computeMessageSize(5, getTxnTag());
        }
        size += unknownFields.getSerializedSize();
        memoizedSize = size;
        return size;
    }

    @java.lang.Override
    public boolean equals(final java.lang.Object obj) {
        if (obj == this) {
            return true;
        }
        if (!(obj instanceof com.aliyun.polardbx.binlog.protocol.TxnMessage)) {
            return super.equals(obj);
        }
        com.aliyun.polardbx.binlog.protocol.TxnMessage other = (com.aliyun.polardbx.binlog.protocol.TxnMessage) obj;

        if (type_ != other.type_) {
            return false;
        }
        if (hasTxnBegin() != other.hasTxnBegin()) {
            return false;
        }
        if (hasTxnBegin()) {
            if (!getTxnBegin()
                .equals(other.getTxnBegin())) {
                return false;
            }
        }
        if (hasTxnData() != other.hasTxnData()) {
            return false;
        }
        if (hasTxnData()) {
            if (!getTxnData()
                .equals(other.getTxnData())) {
                return false;
            }
        }
        if (hasTxnEnd() != other.hasTxnEnd()) {
            return false;
        }
        if (hasTxnEnd()) {
            if (!getTxnEnd()
                .equals(other.getTxnEnd())) {
                return false;
            }
        }
        if (hasTxnTag() != other.hasTxnTag()) {
            return false;
        }
        if (hasTxnTag()) {
            if (!getTxnTag()
                .equals(other.getTxnTag())) {
                return false;
            }
        }
        if (!unknownFields.equals(other.unknownFields)) {
            return false;
        }
        return true;
    }

    @java.lang.Override
    public int hashCode() {
        if (memoizedHashCode != 0) {
            return memoizedHashCode;
        }
        int hash = 41;
        hash = (19 * hash) + getDescriptor().hashCode();
        hash = (37 * hash) + TYPE_FIELD_NUMBER;
        hash = (53 * hash) + type_;
        if (hasTxnBegin()) {
            hash = (37 * hash) + TXNBEGIN_FIELD_NUMBER;
            hash = (53 * hash) + getTxnBegin().hashCode();
        }
        if (hasTxnData()) {
            hash = (37 * hash) + TXNDATA_FIELD_NUMBER;
            hash = (53 * hash) + getTxnData().hashCode();
        }
        if (hasTxnEnd()) {
            hash = (37 * hash) + TXNEND_FIELD_NUMBER;
            hash = (53 * hash) + getTxnEnd().hashCode();
        }
        if (hasTxnTag()) {
            hash = (37 * hash) + TXNTAG_FIELD_NUMBER;
            hash = (53 * hash) + getTxnTag().hashCode();
        }
        hash = (29 * hash) + unknownFields.hashCode();
        memoizedHashCode = hash;
        return hash;
    }

    public static com.aliyun.polardbx.binlog.protocol.TxnMessage parseFrom(
        java.nio.ByteBuffer data)
        throws com.google.protobuf.InvalidProtocolBufferException {
        return PARSER.parseFrom(data);
    }

    public static com.aliyun.polardbx.binlog.protocol.TxnMessage parseFrom(
        java.nio.ByteBuffer data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
        return PARSER.parseFrom(data, extensionRegistry);
    }

    public static com.aliyun.polardbx.binlog.protocol.TxnMessage parseFrom(
        com.google.protobuf.ByteString data)
        throws com.google.protobuf.InvalidProtocolBufferException {
        return PARSER.parseFrom(data);
    }

    public static com.aliyun.polardbx.binlog.protocol.TxnMessage parseFrom(
        com.google.protobuf.ByteString data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
        return PARSER.parseFrom(data, extensionRegistry);
    }

    public static com.aliyun.polardbx.binlog.protocol.TxnMessage parseFrom(byte[] data)
        throws com.google.protobuf.InvalidProtocolBufferException {
        return PARSER.parseFrom(data);
    }

    public static com.aliyun.polardbx.binlog.protocol.TxnMessage parseFrom(
        byte[] data,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws com.google.protobuf.InvalidProtocolBufferException {
        return PARSER.parseFrom(data, extensionRegistry);
    }

    public static com.aliyun.polardbx.binlog.protocol.TxnMessage parseFrom(java.io.InputStream input)
        throws java.io.IOException {
        return com.google.protobuf.GeneratedMessageV3
            .parseWithIOException(PARSER, input);
    }

    public static com.aliyun.polardbx.binlog.protocol.TxnMessage parseFrom(
        java.io.InputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
        return com.google.protobuf.GeneratedMessageV3
            .parseWithIOException(PARSER, input, extensionRegistry);
    }

    public static com.aliyun.polardbx.binlog.protocol.TxnMessage parseDelimitedFrom(java.io.InputStream input)
        throws java.io.IOException {
        return com.google.protobuf.GeneratedMessageV3
            .parseDelimitedWithIOException(PARSER, input);
    }

    public static com.aliyun.polardbx.binlog.protocol.TxnMessage parseDelimitedFrom(
        java.io.InputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
        return com.google.protobuf.GeneratedMessageV3
            .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
    }

    public static com.aliyun.polardbx.binlog.protocol.TxnMessage parseFrom(
        com.google.protobuf.CodedInputStream input)
        throws java.io.IOException {
        return com.google.protobuf.GeneratedMessageV3
            .parseWithIOException(PARSER, input);
    }

    public static com.aliyun.polardbx.binlog.protocol.TxnMessage parseFrom(
        com.google.protobuf.CodedInputStream input,
        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
        throws java.io.IOException {
        return com.google.protobuf.GeneratedMessageV3
            .parseWithIOException(PARSER, input, extensionRegistry);
    }

    @java.lang.Override
    public Builder newBuilderForType() {
        return newBuilder();
    }

    public static Builder newBuilder() {
        return DEFAULT_INSTANCE.toBuilder();
    }

    public static Builder newBuilder(com.aliyun.polardbx.binlog.protocol.TxnMessage prototype) {
        return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
    }

    @java.lang.Override
    public Builder toBuilder() {
        return this == DEFAULT_INSTANCE
            ? new Builder() : new Builder().mergeFrom(this);
    }

    @java.lang.Override
    protected Builder newBuilderForType(
        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
        Builder builder = new Builder(parent);
        return builder;
    }

    /**
     * Protobuf type {@code com.aliyun.polardbx.binlog.protocol.TxnMessage}
     */
    public static final class Builder extends
        com.google.protobuf.GeneratedMessageV3.Builder<Builder> implements
        // @@protoc_insertion_point(builder_implements:com.aliyun.polardbx.binlog.protocol.TxnMessage)
        com.aliyun.polardbx.binlog.protocol.TxnMessageOrBuilder {
        public static final com.google.protobuf.Descriptors.Descriptor
        getDescriptor() {
            return com.aliyun.polardbx.binlog.protocol.TxnStream.internal_static_com_aliyun_polardbx_binlog_protocol_TxnMessage_descriptor;
        }

        @java.lang.Override
        protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
        internalGetFieldAccessorTable() {
            return com.aliyun.polardbx.binlog.protocol.TxnStream.internal_static_com_aliyun_polardbx_binlog_protocol_TxnMessage_fieldAccessorTable
                .ensureFieldAccessorsInitialized(
                    com.aliyun.polardbx.binlog.protocol.TxnMessage.class,
                    com.aliyun.polardbx.binlog.protocol.TxnMessage.Builder.class);
        }

        // Construct using com.aliyun.polardbx.binlog.protocol.TxnMessage.newBuilder()
        private Builder() {
            maybeForceBuilderInitialization();
        }

        private Builder(
            com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
            super(parent);
            maybeForceBuilderInitialization();
        }

        private void maybeForceBuilderInitialization() {
            if (com.google.protobuf.GeneratedMessageV3
                .alwaysUseFieldBuilders) {
            }
        }

        @java.lang.Override
        public Builder clear() {
            super.clear();
            type_ = 0;

            if (txnBeginBuilder_ == null) {
                txnBegin_ = null;
            } else {
                txnBegin_ = null;
                txnBeginBuilder_ = null;
            }
            if (txnDataBuilder_ == null) {
                txnData_ = null;
            } else {
                txnData_ = null;
                txnDataBuilder_ = null;
            }
            if (txnEndBuilder_ == null) {
                txnEnd_ = null;
            } else {
                txnEnd_ = null;
                txnEndBuilder_ = null;
            }
            if (txnTagBuilder_ == null) {
                txnTag_ = null;
            } else {
                txnTag_ = null;
                txnTagBuilder_ = null;
            }
            return this;
        }

        @java.lang.Override
        public com.google.protobuf.Descriptors.Descriptor
        getDescriptorForType() {
            return com.aliyun.polardbx.binlog.protocol.TxnStream.internal_static_com_aliyun_polardbx_binlog_protocol_TxnMessage_descriptor;
        }

        @java.lang.Override
        public com.aliyun.polardbx.binlog.protocol.TxnMessage getDefaultInstanceForType() {
            return com.aliyun.polardbx.binlog.protocol.TxnMessage.getDefaultInstance();
        }

        @java.lang.Override
        public com.aliyun.polardbx.binlog.protocol.TxnMessage build() {
            com.aliyun.polardbx.binlog.protocol.TxnMessage result = buildPartial();
            if (!result.isInitialized()) {
                throw newUninitializedMessageException(result);
            }
            return result;
        }

        @java.lang.Override
        public com.aliyun.polardbx.binlog.protocol.TxnMessage buildPartial() {
            com.aliyun.polardbx.binlog.protocol.TxnMessage result =
                new com.aliyun.polardbx.binlog.protocol.TxnMessage(this);
            result.type_ = type_;
            if (txnBeginBuilder_ == null) {
                result.txnBegin_ = txnBegin_;
            } else {
                result.txnBegin_ = txnBeginBuilder_.build();
            }
            if (txnDataBuilder_ == null) {
                result.txnData_ = txnData_;
            } else {
                result.txnData_ = txnDataBuilder_.build();
            }
            if (txnEndBuilder_ == null) {
                result.txnEnd_ = txnEnd_;
            } else {
                result.txnEnd_ = txnEndBuilder_.build();
            }
            if (txnTagBuilder_ == null) {
                result.txnTag_ = txnTag_;
            } else {
                result.txnTag_ = txnTagBuilder_.build();
            }
            onBuilt();
            return result;
        }

        @java.lang.Override
        public Builder clone() {
            return super.clone();
        }

        @java.lang.Override
        public Builder setField(
            com.google.protobuf.Descriptors.FieldDescriptor field,
            java.lang.Object value) {
            return super.setField(field, value);
        }

        @java.lang.Override
        public Builder clearField(
            com.google.protobuf.Descriptors.FieldDescriptor field) {
            return super.clearField(field);
        }

        @java.lang.Override
        public Builder clearOneof(
            com.google.protobuf.Descriptors.OneofDescriptor oneof) {
            return super.clearOneof(oneof);
        }

        @java.lang.Override
        public Builder setRepeatedField(
            com.google.protobuf.Descriptors.FieldDescriptor field,
            int index, java.lang.Object value) {
            return super.setRepeatedField(field, index, value);
        }

        @java.lang.Override
        public Builder addRepeatedField(
            com.google.protobuf.Descriptors.FieldDescriptor field,
            java.lang.Object value) {
            return super.addRepeatedField(field, value);
        }

        @java.lang.Override
        public Builder mergeFrom(com.google.protobuf.Message other) {
            if (other instanceof com.aliyun.polardbx.binlog.protocol.TxnMessage) {
                return mergeFrom((com.aliyun.polardbx.binlog.protocol.TxnMessage) other);
            } else {
                super.mergeFrom(other);
                return this;
            }
        }

        public Builder mergeFrom(com.aliyun.polardbx.binlog.protocol.TxnMessage other) {
            if (other == com.aliyun.polardbx.binlog.protocol.TxnMessage.getDefaultInstance()) {
                return this;
            }
            if (other.type_ != 0) {
                setTypeValue(other.getTypeValue());
            }
            if (other.hasTxnBegin()) {
                mergeTxnBegin(other.getTxnBegin());
            }
            if (other.hasTxnData()) {
                mergeTxnData(other.getTxnData());
            }
            if (other.hasTxnEnd()) {
                mergeTxnEnd(other.getTxnEnd());
            }
            if (other.hasTxnTag()) {
                mergeTxnTag(other.getTxnTag());
            }
            this.mergeUnknownFields(other.unknownFields);
            onChanged();
            return this;
        }

        @java.lang.Override
        public final boolean isInitialized() {
            return true;
        }

        @java.lang.Override
        public Builder mergeFrom(
            com.google.protobuf.CodedInputStream input,
            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
            throws java.io.IOException {
            com.aliyun.polardbx.binlog.protocol.TxnMessage parsedMessage = null;
            try {
                parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
                parsedMessage = (com.aliyun.polardbx.binlog.protocol.TxnMessage) e.getUnfinishedMessage();
                throw e.unwrapIOException();
            } finally {
                if (parsedMessage != null) {
                    mergeFrom(parsedMessage);
                }
            }
            return this;
        }

        private int type_ = 0;

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.MessageType type = 1;</code>
         *
         * @return The enum numeric value on the wire for type.
         */
        @java.lang.Override
        public int getTypeValue() {
            return type_;
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.MessageType type = 1;</code>
         *
         * @param value The enum numeric value on the wire for type to set.
         * @return This builder for chaining.
         */
        public Builder setTypeValue(int value) {

            type_ = value;
            onChanged();
            return this;
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.MessageType type = 1;</code>
         *
         * @return The type.
         */
        @java.lang.Override
        public com.aliyun.polardbx.binlog.protocol.MessageType getType() {
            @SuppressWarnings("deprecation")
            com.aliyun.polardbx.binlog.protocol.MessageType result =
                com.aliyun.polardbx.binlog.protocol.MessageType.valueOf(type_);
            return result == null ? com.aliyun.polardbx.binlog.protocol.MessageType.UNRECOGNIZED : result;
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.MessageType type = 1;</code>
         *
         * @param value The type to set.
         * @return This builder for chaining.
         */
        public Builder setType(com.aliyun.polardbx.binlog.protocol.MessageType value) {
            if (value == null) {
                throw new NullPointerException();
            }

            type_ = value.getNumber();
            onChanged();
            return this;
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.MessageType type = 1;</code>
         *
         * @return This builder for chaining.
         */
        public Builder clearType() {

            type_ = 0;
            onChanged();
            return this;
        }

        private com.aliyun.polardbx.binlog.protocol.TxnBegin txnBegin_;
        private com.google.protobuf.SingleFieldBuilderV3<
            com.aliyun.polardbx.binlog.protocol.TxnBegin, com.aliyun.polardbx.binlog.protocol.TxnBegin.Builder, com.aliyun.polardbx.binlog.protocol.TxnBeginOrBuilder>
            txnBeginBuilder_;

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnBegin txnBegin = 2;</code>
         *
         * @return Whether the txnBegin field is set.
         */
        public boolean hasTxnBegin() {
            return txnBeginBuilder_ != null || txnBegin_ != null;
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnBegin txnBegin = 2;</code>
         *
         * @return The txnBegin.
         */
        public com.aliyun.polardbx.binlog.protocol.TxnBegin getTxnBegin() {
            if (txnBeginBuilder_ == null) {
                return txnBegin_ == null ? com.aliyun.polardbx.binlog.protocol.TxnBegin.getDefaultInstance() :
                    txnBegin_;
            } else {
                return txnBeginBuilder_.getMessage();
            }
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnBegin txnBegin = 2;</code>
         */
        public Builder setTxnBegin(com.aliyun.polardbx.binlog.protocol.TxnBegin value) {
            if (txnBeginBuilder_ == null) {
                if (value == null) {
                    throw new NullPointerException();
                }
                txnBegin_ = value;
                onChanged();
            } else {
                txnBeginBuilder_.setMessage(value);
            }

            return this;
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnBegin txnBegin = 2;</code>
         */
        public Builder setTxnBegin(
            com.aliyun.polardbx.binlog.protocol.TxnBegin.Builder builderForValue) {
            if (txnBeginBuilder_ == null) {
                txnBegin_ = builderForValue.build();
                onChanged();
            } else {
                txnBeginBuilder_.setMessage(builderForValue.build());
            }

            return this;
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnBegin txnBegin = 2;</code>
         */
        public Builder mergeTxnBegin(com.aliyun.polardbx.binlog.protocol.TxnBegin value) {
            if (txnBeginBuilder_ == null) {
                if (txnBegin_ != null) {
                    txnBegin_ =
                        com.aliyun.polardbx.binlog.protocol.TxnBegin.newBuilder(txnBegin_).mergeFrom(value)
                            .buildPartial();
                } else {
                    txnBegin_ = value;
                }
                onChanged();
            } else {
                txnBeginBuilder_.mergeFrom(value);
            }

            return this;
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnBegin txnBegin = 2;</code>
         */
        public Builder clearTxnBegin() {
            if (txnBeginBuilder_ == null) {
                txnBegin_ = null;
                onChanged();
            } else {
                txnBegin_ = null;
                txnBeginBuilder_ = null;
            }

            return this;
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnBegin txnBegin = 2;</code>
         */
        public com.aliyun.polardbx.binlog.protocol.TxnBegin.Builder getTxnBeginBuilder() {

            onChanged();
            return getTxnBeginFieldBuilder().getBuilder();
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnBegin txnBegin = 2;</code>
         */
        public com.aliyun.polardbx.binlog.protocol.TxnBeginOrBuilder getTxnBeginOrBuilder() {
            if (txnBeginBuilder_ != null) {
                return txnBeginBuilder_.getMessageOrBuilder();
            } else {
                return txnBegin_ == null ?
                    com.aliyun.polardbx.binlog.protocol.TxnBegin.getDefaultInstance() : txnBegin_;
            }
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnBegin txnBegin = 2;</code>
         */
        private com.google.protobuf.SingleFieldBuilderV3<
            com.aliyun.polardbx.binlog.protocol.TxnBegin, com.aliyun.polardbx.binlog.protocol.TxnBegin.Builder, com.aliyun.polardbx.binlog.protocol.TxnBeginOrBuilder>
        getTxnBeginFieldBuilder() {
            if (txnBeginBuilder_ == null) {
                txnBeginBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
                    com.aliyun.polardbx.binlog.protocol.TxnBegin, com.aliyun.polardbx.binlog.protocol.TxnBegin.Builder, com.aliyun.polardbx.binlog.protocol.TxnBeginOrBuilder>(
                    getTxnBegin(),
                    getParentForChildren(),
                    isClean());
                txnBegin_ = null;
            }
            return txnBeginBuilder_;
        }

        private com.aliyun.polardbx.binlog.protocol.TxnData txnData_;
        private com.google.protobuf.SingleFieldBuilderV3<
            com.aliyun.polardbx.binlog.protocol.TxnData, com.aliyun.polardbx.binlog.protocol.TxnData.Builder, com.aliyun.polardbx.binlog.protocol.TxnDataOrBuilder>
            txnDataBuilder_;

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnData txnData = 3;</code>
         *
         * @return Whether the txnData field is set.
         */
        public boolean hasTxnData() {
            return txnDataBuilder_ != null || txnData_ != null;
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnData txnData = 3;</code>
         *
         * @return The txnData.
         */
        public com.aliyun.polardbx.binlog.protocol.TxnData getTxnData() {
            if (txnDataBuilder_ == null) {
                return txnData_ == null ? com.aliyun.polardbx.binlog.protocol.TxnData.getDefaultInstance() : txnData_;
            } else {
                return txnDataBuilder_.getMessage();
            }
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnData txnData = 3;</code>
         */
        public Builder setTxnData(com.aliyun.polardbx.binlog.protocol.TxnData value) {
            if (txnDataBuilder_ == null) {
                if (value == null) {
                    throw new NullPointerException();
                }
                txnData_ = value;
                onChanged();
            } else {
                txnDataBuilder_.setMessage(value);
            }

            return this;
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnData txnData = 3;</code>
         */
        public Builder setTxnData(
            com.aliyun.polardbx.binlog.protocol.TxnData.Builder builderForValue) {
            if (txnDataBuilder_ == null) {
                txnData_ = builderForValue.build();
                onChanged();
            } else {
                txnDataBuilder_.setMessage(builderForValue.build());
            }

            return this;
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnData txnData = 3;</code>
         */
        public Builder mergeTxnData(com.aliyun.polardbx.binlog.protocol.TxnData value) {
            if (txnDataBuilder_ == null) {
                if (txnData_ != null) {
                    txnData_ =
                        com.aliyun.polardbx.binlog.protocol.TxnData.newBuilder(txnData_).mergeFrom(value)
                            .buildPartial();
                } else {
                    txnData_ = value;
                }
                onChanged();
            } else {
                txnDataBuilder_.mergeFrom(value);
            }

            return this;
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnData txnData = 3;</code>
         */
        public Builder clearTxnData() {
            if (txnDataBuilder_ == null) {
                txnData_ = null;
                onChanged();
            } else {
                txnData_ = null;
                txnDataBuilder_ = null;
            }

            return this;
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnData txnData = 3;</code>
         */
        public com.aliyun.polardbx.binlog.protocol.TxnData.Builder getTxnDataBuilder() {

            onChanged();
            return getTxnDataFieldBuilder().getBuilder();
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnData txnData = 3;</code>
         */
        public com.aliyun.polardbx.binlog.protocol.TxnDataOrBuilder getTxnDataOrBuilder() {
            if (txnDataBuilder_ != null) {
                return txnDataBuilder_.getMessageOrBuilder();
            } else {
                return txnData_ == null ?
                    com.aliyun.polardbx.binlog.protocol.TxnData.getDefaultInstance() : txnData_;
            }
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnData txnData = 3;</code>
         */
        private com.google.protobuf.SingleFieldBuilderV3<
            com.aliyun.polardbx.binlog.protocol.TxnData, com.aliyun.polardbx.binlog.protocol.TxnData.Builder, com.aliyun.polardbx.binlog.protocol.TxnDataOrBuilder>
        getTxnDataFieldBuilder() {
            if (txnDataBuilder_ == null) {
                txnDataBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
                    com.aliyun.polardbx.binlog.protocol.TxnData, com.aliyun.polardbx.binlog.protocol.TxnData.Builder, com.aliyun.polardbx.binlog.protocol.TxnDataOrBuilder>(
                    getTxnData(),
                    getParentForChildren(),
                    isClean());
                txnData_ = null;
            }
            return txnDataBuilder_;
        }

        private com.aliyun.polardbx.binlog.protocol.TxnEnd txnEnd_;
        private com.google.protobuf.SingleFieldBuilderV3<
            com.aliyun.polardbx.binlog.protocol.TxnEnd, com.aliyun.polardbx.binlog.protocol.TxnEnd.Builder, com.aliyun.polardbx.binlog.protocol.TxnEndOrBuilder>
            txnEndBuilder_;

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnEnd txnEnd = 4;</code>
         *
         * @return Whether the txnEnd field is set.
         */
        public boolean hasTxnEnd() {
            return txnEndBuilder_ != null || txnEnd_ != null;
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnEnd txnEnd = 4;</code>
         *
         * @return The txnEnd.
         */
        public com.aliyun.polardbx.binlog.protocol.TxnEnd getTxnEnd() {
            if (txnEndBuilder_ == null) {
                return txnEnd_ == null ? com.aliyun.polardbx.binlog.protocol.TxnEnd.getDefaultInstance() : txnEnd_;
            } else {
                return txnEndBuilder_.getMessage();
            }
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnEnd txnEnd = 4;</code>
         */
        public Builder setTxnEnd(com.aliyun.polardbx.binlog.protocol.TxnEnd value) {
            if (txnEndBuilder_ == null) {
                if (value == null) {
                    throw new NullPointerException();
                }
                txnEnd_ = value;
                onChanged();
            } else {
                txnEndBuilder_.setMessage(value);
            }

            return this;
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnEnd txnEnd = 4;</code>
         */
        public Builder setTxnEnd(
            com.aliyun.polardbx.binlog.protocol.TxnEnd.Builder builderForValue) {
            if (txnEndBuilder_ == null) {
                txnEnd_ = builderForValue.build();
                onChanged();
            } else {
                txnEndBuilder_.setMessage(builderForValue.build());
            }

            return this;
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnEnd txnEnd = 4;</code>
         */
        public Builder mergeTxnEnd(com.aliyun.polardbx.binlog.protocol.TxnEnd value) {
            if (txnEndBuilder_ == null) {
                if (txnEnd_ != null) {
                    txnEnd_ =
                        com.aliyun.polardbx.binlog.protocol.TxnEnd.newBuilder(txnEnd_).mergeFrom(value).buildPartial();
                } else {
                    txnEnd_ = value;
                }
                onChanged();
            } else {
                txnEndBuilder_.mergeFrom(value);
            }

            return this;
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnEnd txnEnd = 4;</code>
         */
        public Builder clearTxnEnd() {
            if (txnEndBuilder_ == null) {
                txnEnd_ = null;
                onChanged();
            } else {
                txnEnd_ = null;
                txnEndBuilder_ = null;
            }

            return this;
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnEnd txnEnd = 4;</code>
         */
        public com.aliyun.polardbx.binlog.protocol.TxnEnd.Builder getTxnEndBuilder() {

            onChanged();
            return getTxnEndFieldBuilder().getBuilder();
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnEnd txnEnd = 4;</code>
         */
        public com.aliyun.polardbx.binlog.protocol.TxnEndOrBuilder getTxnEndOrBuilder() {
            if (txnEndBuilder_ != null) {
                return txnEndBuilder_.getMessageOrBuilder();
            } else {
                return txnEnd_ == null ?
                    com.aliyun.polardbx.binlog.protocol.TxnEnd.getDefaultInstance() : txnEnd_;
            }
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnEnd txnEnd = 4;</code>
         */
        private com.google.protobuf.SingleFieldBuilderV3<
            com.aliyun.polardbx.binlog.protocol.TxnEnd, com.aliyun.polardbx.binlog.protocol.TxnEnd.Builder, com.aliyun.polardbx.binlog.protocol.TxnEndOrBuilder>
        getTxnEndFieldBuilder() {
            if (txnEndBuilder_ == null) {
                txnEndBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
                    com.aliyun.polardbx.binlog.protocol.TxnEnd, com.aliyun.polardbx.binlog.protocol.TxnEnd.Builder, com.aliyun.polardbx.binlog.protocol.TxnEndOrBuilder>(
                    getTxnEnd(),
                    getParentForChildren(),
                    isClean());
                txnEnd_ = null;
            }
            return txnEndBuilder_;
        }

        private com.aliyun.polardbx.binlog.protocol.TxnTag txnTag_;
        private com.google.protobuf.SingleFieldBuilderV3<
            com.aliyun.polardbx.binlog.protocol.TxnTag, com.aliyun.polardbx.binlog.protocol.TxnTag.Builder, com.aliyun.polardbx.binlog.protocol.TxnTagOrBuilder>
            txnTagBuilder_;

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnTag txnTag = 5;</code>
         *
         * @return Whether the txnTag field is set.
         */
        public boolean hasTxnTag() {
            return txnTagBuilder_ != null || txnTag_ != null;
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnTag txnTag = 5;</code>
         *
         * @return The txnTag.
         */
        public com.aliyun.polardbx.binlog.protocol.TxnTag getTxnTag() {
            if (txnTagBuilder_ == null) {
                return txnTag_ == null ? com.aliyun.polardbx.binlog.protocol.TxnTag.getDefaultInstance() : txnTag_;
            } else {
                return txnTagBuilder_.getMessage();
            }
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnTag txnTag = 5;</code>
         */
        public Builder setTxnTag(com.aliyun.polardbx.binlog.protocol.TxnTag value) {
            if (txnTagBuilder_ == null) {
                if (value == null) {
                    throw new NullPointerException();
                }
                txnTag_ = value;
                onChanged();
            } else {
                txnTagBuilder_.setMessage(value);
            }

            return this;
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnTag txnTag = 5;</code>
         */
        public Builder setTxnTag(
            com.aliyun.polardbx.binlog.protocol.TxnTag.Builder builderForValue) {
            if (txnTagBuilder_ == null) {
                txnTag_ = builderForValue.build();
                onChanged();
            } else {
                txnTagBuilder_.setMessage(builderForValue.build());
            }

            return this;
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnTag txnTag = 5;</code>
         */
        public Builder mergeTxnTag(com.aliyun.polardbx.binlog.protocol.TxnTag value) {
            if (txnTagBuilder_ == null) {
                if (txnTag_ != null) {
                    txnTag_ =
                        com.aliyun.polardbx.binlog.protocol.TxnTag.newBuilder(txnTag_).mergeFrom(value).buildPartial();
                } else {
                    txnTag_ = value;
                }
                onChanged();
            } else {
                txnTagBuilder_.mergeFrom(value);
            }

            return this;
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnTag txnTag = 5;</code>
         */
        public Builder clearTxnTag() {
            if (txnTagBuilder_ == null) {
                txnTag_ = null;
                onChanged();
            } else {
                txnTag_ = null;
                txnTagBuilder_ = null;
            }

            return this;
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnTag txnTag = 5;</code>
         */
        public com.aliyun.polardbx.binlog.protocol.TxnTag.Builder getTxnTagBuilder() {

            onChanged();
            return getTxnTagFieldBuilder().getBuilder();
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnTag txnTag = 5;</code>
         */
        public com.aliyun.polardbx.binlog.protocol.TxnTagOrBuilder getTxnTagOrBuilder() {
            if (txnTagBuilder_ != null) {
                return txnTagBuilder_.getMessageOrBuilder();
            } else {
                return txnTag_ == null ?
                    com.aliyun.polardbx.binlog.protocol.TxnTag.getDefaultInstance() : txnTag_;
            }
        }

        /**
         * <code>.com.aliyun.polardbx.binlog.protocol.TxnTag txnTag = 5;</code>
         */
        private com.google.protobuf.SingleFieldBuilderV3<
            com.aliyun.polardbx.binlog.protocol.TxnTag, com.aliyun.polardbx.binlog.protocol.TxnTag.Builder, com.aliyun.polardbx.binlog.protocol.TxnTagOrBuilder>
        getTxnTagFieldBuilder() {
            if (txnTagBuilder_ == null) {
                txnTagBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
                    com.aliyun.polardbx.binlog.protocol.TxnTag, com.aliyun.polardbx.binlog.protocol.TxnTag.Builder, com.aliyun.polardbx.binlog.protocol.TxnTagOrBuilder>(
                    getTxnTag(),
                    getParentForChildren(),
                    isClean());
                txnTag_ = null;
            }
            return txnTagBuilder_;
        }

        @java.lang.Override
        public final Builder setUnknownFields(
            final com.google.protobuf.UnknownFieldSet unknownFields) {
            return super.setUnknownFields(unknownFields);
        }

        @java.lang.Override
        public final Builder mergeUnknownFields(
            final com.google.protobuf.UnknownFieldSet unknownFields) {
            return super.mergeUnknownFields(unknownFields);
        }

        // @@protoc_insertion_point(builder_scope:com.aliyun.polardbx.binlog.protocol.TxnMessage)
    }

    // @@protoc_insertion_point(class_scope:com.aliyun.polardbx.binlog.protocol.TxnMessage)
    private static final com.aliyun.polardbx.binlog.protocol.TxnMessage DEFAULT_INSTANCE;

    static {
        DEFAULT_INSTANCE = new com.aliyun.polardbx.binlog.protocol.TxnMessage();
    }

    public static com.aliyun.polardbx.binlog.protocol.TxnMessage getDefaultInstance() {
        return DEFAULT_INSTANCE;
    }

    private static final com.google.protobuf.Parser<TxnMessage>
        PARSER = new com.google.protobuf.AbstractParser<TxnMessage>() {
        @java.lang.Override
        public TxnMessage parsePartialFrom(
            com.google.protobuf.CodedInputStream input,
            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
            throws com.google.protobuf.InvalidProtocolBufferException {
            return new TxnMessage(input, extensionRegistry);
        }
    };

    public static com.google.protobuf.Parser<TxnMessage> parser() {
        return PARSER;
    }

    @java.lang.Override
    public com.google.protobuf.Parser<TxnMessage> getParserForType() {
        return PARSER;
    }

    @java.lang.Override
    public com.aliyun.polardbx.binlog.protocol.TxnMessage getDefaultInstanceForType() {
        return DEFAULT_INSTANCE;
    }

}

